// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init()
const db = cloud.database();
// 云函数入口函数
exports.main = async (event, context) => {
  const wxContext = cloud.getWXContext()
  let res = await db.collection('menuClass').limit(event.limit).get();
  return {
    res
  }
}